26605820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{30937}}^1$

素因数の和:30989

約数の個数: 24

約数和(自身を含む): 57173424

約数和(自身を除く): 30567604

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 30937, 61874, 123748, 154685, 309370, 618740, 1330291, 2660582, 5321164, 6651455, 13302910, 26605820]

約数ペア:

[(1, 26605820), (2, 13302910), (4, 6651455), (5, 5321164), (10, 2660582), (20, 1330291), (43, 618740), (86, 309370), (172, 154685), (215, 123748), (430, 61874), (860, 30937)]